 And they would use that for treatment of stomach problems. And recently, in modern times, they found that in that mastic gum, there's a chemical that blocks one of the bacteria that overgrows in peptic ulcer disease called H. pylori, which is kind of fascinating. And they also used to use it for bad breath, and it was common in the Ottoman Empire. They would use it in the harems for bad breath, the Greek mastic gum.